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Table 1

Climatic conditions and Plasmodium falciparum infection in Anopheles gambiae mosquitoes fed infected blood meals according to site and land use type, western Kenyan highland and lowland*

Site

Land use type

Mean ± SD indoor temperature, °C

Mean ± SD indoor relative humidity, %

No. membrane feedings

No. feedings resulting in infection

Total no. mosquitoes dissected

Range of infection rates,† %

Highland

Forested

20.89 ± 0.39a

75.9 ± 1.8a

34

27

3,171

10.0–42.8

Highland

Deforested

22.13 ± 0.27b

60.6 ± 2.1b

34

29

3,719

10.2–40.6

Lowland

Deforested

23.90 ± 0.40c

64.7 ± 2.1b

21

19

1,749

11.0–42.4

*Superscript letters after values indicate results of Tukey-type multiple comparison tests. Values with the same superscript letter in the same column were not statistically significant (p = 0.05).†Infection rate refers to proportion of dissected mosquitoes that were infected with P. falciparum oocysts or sporozoites.

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